#include "Constants.h"

namespace constants{
   const std::string& ebook(){static std::string* str = new std::string ("ebook"); return *str;}
   const std::string& website(){static std::string* str = new std::string ("website"); return *str;}
   const std::string& name(){static std::string* str = new std::string ("name"); return *str;}
   const std::string& url(){static std::string* str = new std::string ("url"); return *str;}
   const std::string& file_name(){static std::string* str = new std::string ("file_name"); return *str;}
   const std::string& author(){static std::string* str = new std::string ("author"); return *str;}
   const std::string& view_date(){static std::string* str = new std::string ("view_date"); return *str;}
   const std::string& data_path(){static std::string* str = new std::string ("data/"); return *str;}
   const std::string& subject(){static std::string* str = new std::string ("subject"); return *str;}
   const std::string& sender(){static std::string* str = new std::string ("sender"); return *str;}
   const std::string& receiver(){static std::string* str = new std::string ("receiver"); return *str;}
   const std::string& send_date(){static std::string* str = new std::string ("send_date"); return *str;}
   const std::string& log_date(){static std::string* str = new std::string ("log_date"); return *str;}
   

}

